Response to: ‘Confunding by indication and ethnicity difference? Comment on ‘Hypersensitivity reactions with allopurinol and febuxostat: a study using the Medicare claims data’’ by Hsu et al
Response to: ‘Confunding by indication and ethnicity difference? Comment on ‘Hypersensitivity reactions with allopurinol and febuxostat: a study using the Medicare claims data’’ by Hsu et al